(call
  function:
    (attribute
      object: (identifier) @_re)
  arguments:
    (argument_list
      .
      (string
        (string_content) @injection.content))
  (#eq? @_re "re")
  (#set! injection.language "regex"))

((binary_operator
  left:
    (string
      (string_content) @injection.content)
  operator: "%")
  (#set! injection.language "printf"))

((comment) @injection.content
  (#set! injection.language "comment"))
